diff --git a/bar_option.go b/bar_option.go
index 456a76d..d5aa5b9 100644
--- a/bar_option.go
+++ b/bar_option.go
@@ -129,11 +129,11 @@
 		for {
 			b, err := buf.ReadBytes('\n')
 			if err != nil {
+				buf.Reset()
 				break
 			}
 			rows = append(rows, bytes.NewReader(b))
 		}
-		buf.Reset()
 		return rows, err
 	}